Glossary of psychiatry

This glossary covers terms found in the psychiatric literature; the word origins are primarily Greek, but there are also Latin, French, German, and English terms. Many of these terms refer to expressions dating from the early days of psychiatry in Croatia.

Abreaction is a process of vividly reliving repressed memories and emotions related to a past event.Sigmund Freud used hypnosis to rid their patients of pathological memories through abreaction.

Aboulia or Abulia, in neurology, refers to a lack of will or initiative. The patient is unable to act or make decisions independently. It may range from subtle to overwhelming in severity.

Acquired agnosia for color. This term includes color blindness.

Illusions (Misperceptions) associated with or based on changes with mood; for example, at midnight a person may take a shadow as a ghost, but in the early part of night this may not be the case.

Akataphasia (Kraepelin 1896) refers to disorder of thought expression in speech and results due to dissolution of logical ordering of trains of thought..

Akathisia refers to a subjective feeling of restlessness in the lower limbs that is related to abnormal activity in the extrapyramidal system in the brain, often due to antipsychotic medication. It tends to manifest as an inability to sit still.

Alexithymia refers to an inability to identify and describe emotions in the self.

In Alice in Wonderland experience, individuals perceive objects (including animals and other humans, or parts of humans, animals, or objects) as appearing substantially smaller than in reality. Generally, the object appears far away or extremely close at the same time. Alternate term for this is somaesthetic aura. Also see #Lilliputian hallucinations

Alliteration is the repetition of initial consonant sounds in neighbouring words. For example, "When I struck and slapped my humble horse, he began to run rapidly."

...
Wikipedia